Wearable authentication system and ring device

Abstract

A wearable authentication system is provided. The wearable authentication system includes a head-mounted device and a ring device. The head-mounted device includes a first network module and a camera. The first network module sends an authentication request. The camera is configured to provide an image of a hand of a user. The ring device includes an inertial measurement unit, a second network module and a biometric sensor. The inertial measurement unit provides an inertial measurement value of the ring device. The second network module receives the authentication request. The biometric sensor gathers biometric information from the user based on the authentication request. The wearable authentication system tracks a position of the ring device based on at least one of the image and the inertial measurement value. The second network module sends authentication information based on the biometric information and the inertial measurement value to the first network module.

What is claimed is: 
     
         1 . A wearable authentication system, comprising:
 a head-mounted device, comprising:
 a first network module, configured to send an authentication request; and 
 a camera, configured to provide an image of a hand of a user; 
   a ring device, adapted to be worn on a finger of the user, wherein the ring device comprises:
 an inertial measurement unit, configured to provide an inertial measurement value of the ring device; 
 a second network module, wherein the second network module is configured to receive the authentication request from the first network module of the head-mounted device; and 
 a biometric sensor, configured to gather biometric information from the user based on the authentication request, 
   wherein the wearable authentication system is configured to track a position of the ring device based on at least one of the image and the inertial measurement value, and   the second network module is further configured to send authentication information based on the biometric information to the first network module and the inertial measurement value to the first network module,   wherein the first network module of the head-mounted device is configured to send the authentication request in response to a checkout request of a shopping in a virtual world displayed by the head-mounted device, and   the checkout request is determined according to a selection in the virtual world based on the position of the ring device.   
     
     
         2 . The wearable authentication system according to  claim 1 , wherein the biometric sensor comprises:
 a photoplethysmographic sensor, comprising a light emitting diode and a photodiode, wherein the light emitting diode is configured to emit a sensor light towards the finger and the photodiode is configured to receive the sensor light and output blood flow information as the biometric information.   
     
     
         3 . The wearable authentication system according to  claim 1 , wherein the biometric sensor comprises:
 a vein map sensor, comprising a plurality of infra-red light emitting diodes and an infra-red camera, wherein each of the plurality of infra-red light emitting diodes is configured to emit an infra-red light towards the finger and the photodiode is configured to receive the infra-red light and output vein map information as the biometric information.   
     
     
         4 . The wearable authentication system according to  claim 1 , wherein the biometric sensor comprises:
 a fingerprint sensor, configured to obtain a fingerprint of a checking finger of the user and output fingerprint information as the biometric information.   
     
     
         5 . The wearable authentication system according to  claim 1 , wherein the network module comprises:
 a near-field communication network module, configured to, in response to a user authentication based on the biometric information being successful, send a credit card number of the user or a device account number representing the credit card number of the user to a point of sale machine based on the authentication information.   
     
     
         6 . The wearable authentication system according to  claim 1 , wherein the ring device further comprises:
 a status light emitting diode, configured to indicate a status of the ring device.   
     
     
         7 . The wearable authentication system according to  claim 1 , wherein the ring device further comprises:
 a button, configured to gather input from the user.   
     
     
         8 . The wearable authentication system according to  claim 1 , wherein the biometric information is comprised in the authentication information, the head-mounted device further comprises:
 a processor, configured to:
 generate an authentication result by comparing the biometric information with default biometric information of the user pre-stored in the head-mounted device. 
   
     
     
         9 . The wearable authentication system according to  claim 1 , wherein the authentication information comprises an authentication result and the ring device further comprises:
 a processor, configured to:
 generate the authentication result by comparing the biometric information with default biometric information of the user pre-stored in the ring device. 
   
     
     
         10 . A ring device, adapted to be worn on a finger of a user, wherein the ring device comprises:
 an inertial measurement unit, configured to provide an inertial measurement value of the ring device;   a network module, wherein the network module is configured to receive an authentication request from an external device; and   a biometric sensor, configured to gather biometric information from the user based on the authentication request,   wherein the network module is further configured to send authentication information based on the biometric information to the external device and the inertial measurement value to the external device for tracking a position of the ring device,   wherein the external device is configured to send the authentication request in response to a checkout request of a shopping in a virtual world displayed by the external device, and   the checkout request is determined according to a selection in the virtual world based on the position of the ring device.   
     
     
         11 . The ring device according to  claim 10 , wherein the biometric sensor comprises:
 a photoplethysmographic sensor, comprising a light emitting diode and a photodiode, wherein the light emitting diode is configured to emit a sensor light towards the finger and the photodiode is configured to receive the sensor light and output blood flow information as the biometric information.   
     
     
         12 . The ring device according to  claim 10 , wherein the biometric sensor comprises:
 a vein map sensor, comprising a plurality of infra-red light emitting diodes and an infra-red camera, wherein each of the plurality of infra-red light emitting diodes is configured to emit an infra-red light towards the finger and the photodiode is configured to receive the infra-red light and output vein map information as the biometric information.   
     
     
         13 . The ring device according to  claim 10 , wherein the biometric sensor comprises:
 a fingerprint sensor, configured to obtain a fingerprint of a checking finger of the user and output fingerprint information as the biometric information.   
     
     
         14 . The ring device according to  claim 10 , wherein the network module comprises:
 a near-field communication network module, configured to, in response to a user authentication based on the biometric information being successful, send a credit card number of the user or a device account number representing the credit card number of the user to a point of sale machine based on the authentication information.   
     
     
         15 . The ring device according to  claim 10 , wherein the ring device further comprises:
 a status light emitting diode, configured to indicate a status of the ring device.   
     
     
         16 . The ring device according to  claim 10 , wherein the ring device further comprises:
 a button, configured to gather input from the user.   
     
     
         17 . The ring device according to  claim 10 , wherein the biometric information is comprised in the authentication information, the external device further comprises:
 a processor, configured to:
 generate an authentication result by comparing the biometric information with default biometric information of the user pre-stored in the external device. 
   
     
     
         18 . The ring device according to  claim 10 , wherein the authentication information comprises an authentication result and the ring device further comprises:
 a processor, configured to:
 generate the authentication result by comparing the biometric information with default biometric information of the user pre-stored in the ring device.